spotty

Adjective

• lacking consistency
  • the golfer hit the ball well but his putting was spotty
    

• having spots or patches (small areas of contrasting color or texture)
  • a field patched with ice and snow
    
  • the wall had a spotty speckled effect
    
  • a black-and-white spotted cow
    

Related words

• Synonyms: 
  uneven , scratchy , patched , spotted